Granted Patent
Utility
US 5,543,253 · App. 08/357,017
Photomask for t-gate formation and process for fabricating the same
Inventors:
Byung-Sun Park, Yong-Ho Oh, Sang Soo Choi, Hyung-Joun Yoo
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Dec 16, 1994
Inventors
Byung-Sun Park
Yong-Ho Oh
Sang Soo Choi
Hyung-Joun Yoo
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.